Adjective
unshowy
Not showy; plain or unassuming
He has a confident, unshowy style.
Eilish’s detractors have sneered at her unshowy vocals, accusing her of whispering more than singing – but this delicate, assured vocal display surely put paid to that criticism. Source: Internet
Konnikova keeps the lines so clean and even, so steady and unshowy that she might be the Charlie Watts of prose: While the backbeat never ceases and the narrative propels along, it’s her curiosity that proliferates. Source: Internet